chalte chalte in tegrate

multiple answer Mcq

if I_n=₀âˆ«^Ï€/4 tanⁿ x dx

then
a)I_n+I_n-2=1/(n-1)
b)1/2 x 1/(n+1)<I_n<1/2 x 1/(n+1)
c)I_n-1+I_n+1=1/n
d)(n-2) I_n=n I_n-2

2 Answers

Options, (a) and (c) are correct.

Option (b) is terribly wrong, the eaxpression in the left and right inequalities are the same!!! [ Maybe a typing error].

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